STAR305

Universal master alloy for the production of yellow 375 – 417 – 585 ‰ gold jewellery obtained by investment casting and mechanical working. The elements contained in this product ensure a high surface quality in investment casting, while in mechanical working a high deformation capability thanks the small grain structure, making it suitable for the production of hand and machine made hollow and solid chains, deep drawn items and tube.

375 ‰

417 ‰

585 ‰

875 ‰

Hardness as cast

92 HV

93 HV

121 HV

118 HV

Density

11.01 g/cm3

11.32 g/cm3

12.81 g/cm3

16.61 g/cm3

Melting Range

Solidus: 914 °C
Liquidus: 959 °C

Solidus: 909 °C
Liquidus: 951 °C

Solidus: 894 °C
Liquidus: 916 °C

Solidus: 898 °C
Liquidus: 915 °C

Description

STAR305

	375 ‰	417 ‰	585 ‰	875 ‰
Hardness as cast	92 HV	93 HV	121 HV	118 HV
Density	11.01 g/cm3	11.32 g/cm3	12.81 g/cm3	16.61 g/cm3
Melting Range	Solidus: 914 °C Liquidus: 959 °C	Solidus: 909 °C Liquidus: 951 °C	Solidus: 894 °C Liquidus: 916 °C	Solidus: 898 °C Liquidus: 915 °C